CN209680810U - A kind of merging detachment device and cold bed system for Rolling Disc Cooling Bed - Google Patents
A kind of merging detachment device and cold bed system for Rolling Disc Cooling Bed Download PDFInfo
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- CN209680810U CN209680810U CN201920416280.2U CN201920416280U CN209680810U CN 209680810 U CN209680810 U CN 209680810U CN 201920416280 U CN201920416280 U CN 201920416280U CN 209680810 U CN209680810 U CN 209680810U
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- 238000005096 rolling process Methods 0.000 title claims abstract description 97
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000003028 elevating effect Effects 0.000 claims abstract description 8
- 230000000630 rising effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 43
- 239000010959 steel Substances 0.000 abstract description 43
- 238000000034 method Methods 0.000 abstract description 5
- 230000001965 increasing effect Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 12
- 230000033764 rhythmic process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of merging detachment device for Rolling Disc Cooling Bed, the detachment device that merges includes fixed roller-way, lifting rolling disk and the elevating mechanism for rising or falling lifting rolling disk；Rolling disk is gone up and down when in a high position, roll surface absolute altitude is consistent with roll surface absolute altitude on the rolling disk of cold bed on dance roller disk and is higher than the upper roll surface absolute altitude of fixed roller-way, merges detachment device at this time and serves as a whole cold bed use together with adjacent two sections of front and back cold bed；When being in low level, roll surface absolute altitude is lower than the roll surface absolute altitude of fixed roller-way on dance roller disk, merges detachment device at this time and serves as the use of cold bed blanking device.A kind of merging detachment device for Rolling Disc Cooling Bed of the utility model, it can be flowed to according to technique different, neatly cold bed is merged and split, meet different slab steel plates to the different demands of cold bed length, the utilization efficiency of cold bed is significantly increased, reduces equipment investment and equipment operating cost.
Description
Technical field
The utility model relates to medium plates to produce finished machined field, and in particular to a kind of conjunction for Rolling Disc Cooling Bed
And detachment device and cold bed system.
Background technique
As a kind of important pattern of the cooling equipment of Heavy Plate Production line, Rolling Disc Cooling Bed is China's numerous cut deals at present
Selected by manufacturer.Its function is that flat plate after high temperature thermal straightening (typical temperature is within the scope of 650~850 DEG C) is uniform
It is moved to shear line (special thickness version can be cooled to 600 ° can be offline to the offline roller-way of special heavy plate) after being cooled to 100~150 DEG C, and rises
To the unbalanced effect of production capacity between adjusting rolling line and shear line.
Because Heavy Plate Production has the spy that product variety is more, steel plate width and thickness specification variation range is big, order is small
Point, so steel plate rolling rhythm, thickness specification will frequently change in actual production.The steel plate of different-thickness, on cold bed
Cooling time be different, steel plate cooling time mainly by its thickness and enters two factors of cold bed temperature and is influenced, and thickness is got over
Thickness, enters that cold bed temperature is higher, and cooling time is longer.
Therefore, for entering for the cooling different-thickness steel plate of cold bed, if organization of production is bad, whithin a period of time
When the throughput of different thickness specification steel plates arranges unreasonable, it would be possible to the case where stifled steel, i.e., slab on the cutting edge occur
Also it is uncolled arrive target temperature, and the thin plate for being in rank rear have cooled to target temperature but because front slab stop due to cannot under
The phenomenon that cold bed, so that cause cold bed insufficient space, subsequent steel plate can only be waited on cold-bed run-in table without can be into
Enter cold bed, so that the rhythm of production of milling train need to be reduced, and then eventually affects the production capacity of whole production line.
Currently, major Heavy Plate Production factory, which solves the insufficient means of cooling efficiency, can substantially be summarized as following two,
First is that increasing the film-cooled heat of cold bed, second is that improving the temperature of cold bed under steel plate.Although two above means can increase cold bed
Cooling capacity, but increase Area of cooling bed and mean to increase equipment and factory investment and improve operating cost；Excessively improve
The temperature of cold bed under steel plate, then may bring following adverse consequences: (1) working condition of subsequent examination reconditioning process is deteriorated；(2)
The sensitivity of ultrasonic flaw detecting device will greatly decline；(3) if shear temperature is in blue shortness temperature range, it is also possible to occur
Brittle fracture is dangerous, influences shearing quality.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide one kind to be used for Rolling Disc Cooling Bed
Merging detachment device and cold bed system, the utility model gives full play to the ability of cold bed, and reduces production plan to the greatest extent
Influence to the cooling rhythm of cold bed, so that production line more economic effectively produces.
In order to achieve the above objects and other related objects, the utility model provides a kind of merging for Rolling Disc Cooling Bed and tears open
Separating device, the Rolling Disc Cooling Bed includes several segments cold bed section, and setting merges detachment device between adjacent two cold beds section, described
Merging detachment device includes fixed roller-way, lifting rolling disk and the elevating mechanism for rising or falling the lifting rolling disk；
When the lifting rolling disk is in high-order, on dance roller disk roll surface absolute altitude it is consistent with roll surface absolute altitude on the rolling disk of cold bed and
Higher than the upper roll surface absolute altitude of fixed roller-way, merges detachment device at this time and serve as a whole cold bed together with two sections of adjacent cold beds
It uses；When lifting rolling disk is in low level, roll surface absolute altitude is lower than the roll surface absolute altitude of fixed roller-way on dance roller disk, merges tear open at this time
Separating device serves as the use of cold bed blanking device.
Optionally, the lifting rolling disk includes several rolling disks and the rotating mechanism for making the rolling disk rotation.
Optionally, the rotating mechanism includes driving motor 131, connecting shaft 132 and an at least cross-brace frame 133, institute
It states and is arranged at intervals with several driving wheels 1321 in connecting shaft, several longitudinal bracing framves are arranged at intervals on each cross-brace frame
1331, the longitudinal bracing frame includes gear-box 13311, and several rolling disks 13312 are alternately disposed at the gear-box two sides, described
It is provided with the driven wheel 13313 engaged with the driving wheel on the outside of gear-box, is provided on the rolling disk axis of each rolling disk positioned at tooth
The first sprocket wheel 13314 and the second sprocket wheel 13315 in roller box, the second sprocket wheel are arranged close to gearbox wall, the driven wheel setting
In on one of rolling disk axis；The second sprocket wheel on rolling disk axis being set on tooth tumbler wall side is by chain and is set to tooth
The first sprocket wheel connection on rolling disk axis on the tumbler wall other side.
Optionally, the elevating mechanism includes lifting cylinder 134, crank connecting link 135 and is connected to cross-brace frame lower part
At least one support column 136, the piston rod of the lifting cylinder connect with one end of the crank connecting link, the crank connecting link
The other end connect with support column.
In order to achieve the above objects and other related objects, the utility model also provides a kind of with the rolling for merging detachment device
Disk type cooling bed system, comprising:
Several segments cold bed section is provided with the merging detachment device between adjacent two cold beds section；
When the lifting rolling disk for merging detachment device is in high-order, the merging detachment device merges adjacent two sections of cold beds
For one section of cold bed；
When the lifting rolling disk for merging detachment device is in low level, the merging detachment device is as blanking device.
As described above, a kind of merging detachment device and cold bed system for Rolling Disc Cooling Bed of the utility model, has
Below the utility model has the advantages that
A kind of merging detachment device, cold bed system and steel plate cooling means for Rolling Disc Cooling Bed of the utility model,
It can be flowed to according to technique different, neatly cold bed is merged and split, meet different slab steel plates to cold bed length not
Same demand is significantly increased the utilization efficiency of cold bed, reduces equipment investment and equipment operating cost.
Detailed description of the invention
Fig. 1 is the flat elevation for merging detachment device in embodiment；
Fig. 2 is the side view for merging detachment device in embodiment；
Fig. 3 is the enlarged drawing in Fig. 1 at A；
Fig. 4 is the layout drawing in embodiment with the Rolling Disc Cooling Bed for merging detachment device, and wherein the direction of arrow is steel
The mobile direction of plate；
Fig. 5 is to have the comprehensive working condition chart of the Rolling Disc Cooling Bed systematic difference for merging detachment device in embodiment, wherein arrow
The direction of head is the mobile direction of steel plate.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that the case where not conflicting
Under, the feature in following embodiment and embodiment can be combined with each other.
It should be noted that diagram provided in following embodiment only illustrates the basic of the utility model in a schematic way
Conception, only shown in schema then with related component in the utility model rather than component count when according to actual implementation, shape
And size is drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout
Kenel may also be increasingly complex.
As shown in Figure 1, 2, the present embodiment provides a kind of merging detachment devices for Rolling Disc Cooling Bed, which is characterized in that
The Rolling Disc Cooling Bed includes several segments cold bed section, and setting merges detachment device between adjacent two cold beds section, and the merging is split
Device includes fixed roller-way, lifting rolling disk and the elevating mechanism for rising or falling the lifting rolling disk；
When the lifting rolling disk is in high-order, on dance roller disk roll surface absolute altitude it is consistent with roll surface absolute altitude on the rolling disk of cold bed and
Higher than the upper roll surface absolute altitude of fixed roller-way, merges detachment device at this time and serve as a whole cold bed together with two sections of adjacent cold beds
It uses；When lifting rolling disk is in low level, roll surface absolute altitude is lower than the roll surface absolute altitude of fixed roller-way on dance roller disk, merges tear open at this time
Separating device serves as the use of cold bed blanking device.
In the present embodiment, merge detachment device and serve as cold bed blanking device in use, merging the dance roller of detachment device
Disk can drop to low level by a high position, since roll surface absolute altitude is lower than the roll surface absolute altitude of fixed roller-way on dance roller disk, steel plate meeting
On fixed roller-way, the roller rotation on fixed roller-way is then combined with detachment device to which steel plate is moved to subsequent processing
Lifting rolling disk can rise to a high position.
Specifically, roll surface absolute altitude can be designed as+840mm on the rolling disk of cold bed, then the upper roll surface absolute altitude for fixing roller-way is set
+ 800mm is counted into, the stroke for going up and down rolling disk may be designed as+120mm, and upper absolute altitude is+840mm, and the next absolute altitude is+720mm.
Wherein, the lifting rolling disk includes several rolling disks and the rotating mechanism for making the rolling disk rotation.
In an embodiment, as shown in figure 3, the rotating mechanism includes driving motor 131, connecting shaft 132 and at least one
Cross-brace frame 133 is arranged at intervals with several driving wheels 1321 in the connecting shaft, is arranged at intervals on each cross-brace frame
Several longitudinal bracing framves 1331, the longitudinal bracing frame include gear-box 13311, and several rolling disks 13312 are alternately disposed at described
Gear-box two sides, the gear-box outside are provided with the driven wheel 13313 engaged with the driving wheel, the rolling disk axis of each rolling disk
On be provided with the first sprocket wheel 13314 and the second sprocket wheel 13315 in gear-box, the second sprocket wheel is arranged close to gearbox wall,
The driven wheel is disposed therein on a rolling disk axis；The second sprocket wheel on rolling disk axis being set on tooth tumbler wall side passes through
Chain is connect with the first sprocket wheel on the rolling disk axis being set on the tooth tumbler wall other side, and the two rolling disk axis are disposed adjacent；
Driving motor rotation drives connecting shaft rotation, the driving wheel rotation in connecting shaft, driving wheel can band can driven wheel rotation, then with
The first sprocket wheel, the second sprocket wheel of driven wheel coaxial arrangement rotate synchronously, at this point, the first sprocket wheel on rolling disk axis will drive another
The second sprocket wheel rotation on rolling disk axis, accordingly, all sprocket wheels can all rotate synchronously, so that rolling disk be driven to rotate.
Wherein, the roller of fixed roller-way and the rolling disk of lifting rolling disk are arranged alternately.
In an embodiment, the elevating mechanism includes lifting cylinder 134, crank connecting link 135 and is connected to cross-brace
At least one support column 136 of frame lower part, the piston rod of the lifting cylinder are connect with one end of the crank connecting link, the song
The other end of handle connecting rod is connect with support column.The lifting of rolling disk is then completed by hydraulic cylinder by crank connecting link.
In an embodiment, the elevating mechanism may include carrying platform, and rotating mechanism is set on carrying platform, In
Multiple lifting cylinders are set under carrying platform, the piston rod of lifting cylinder is connected on carrying platform, while to carrying platform into
Row elevating control.Wherein, multiple lifting cylinders need synchronization lifting, to guarantee that carrying platform is steady in lifting process.
The rotation for merging the rolling disk in detachment device is driven by driving motor by speed reducer band movable sprocket, rolling disk liter
Drop is completed by lifting cylinder, and lifting cylinder rises, then rolling disk rises, and lifting cylinder decline, then rolling disk declines.
As shown in figure 4, the present embodiment provides a kind of Rolling Disc Cooling Bed systems with merging detachment device, for steel plate
It is cooled down, which includes: several segments cold bed section, and merging detachment device above-mentioned is arranged between adjacent two cold beds section；
When the lifting rolling disk for merging detachment device is in high-order, the merging detachment device merges adjacent two sections of cold beds
For one section of cold bed；
When the lifting rolling disk for merging detachment device is in low level, the merging detachment device is as blanking device.
The function of the cold bed system first is that this device serve as cold bed effect, merge detachment device 13 rise, multistage cold bed
Integrator, steel plate are transported to back segment from leading portion by this device；Function second is that the device serve as cold bed blanking device use,
When the steel plate center transported on cold bed is overlapped (ruler of the size of steel plate less than lifting rolling disk with the center of device lifting rolling disk
It is very little), merge detachment device and start 13 declines, steel plate is smoothly put on the fixation roller-way below device, then again by roller-way
Steel plate is transported to downstream process processing.At this point, the moving direction of steel plate is mutually perpendicular to the moving direction on cold bed.
Specifically, it is illustrated with two sections of cold beds and a merging detachment device:
Rolling Disc Cooling Bed is divided into first segment cold bed 12 and second segment cold bed 14, the first segment cold bed and second segment cold bed
Between setting one merge detachment device 13；
Cooling medium plate is carried out into Rolling Disc Cooling Bed, according to cooling supplied materials rhythm, feeding temperature, drop temperature,
The parameters such as the cold bed speed of service calculate cold bed length needed for steel plate is cooled to target temperature by cooling jig, for needing
It can be just as cold as target temperature by entire cold bed length, the lifting rolling disk that cold bed merges detachment device at this time is lifted in a high position,
Cold bed as a whole cold bed carry out using；It is cooled to target temperature to only needing part cold bed length that can reach, works as steel
When plate is run to above target cold bed merging detachment device, the rolling disk lifting device for merging detachment device drops to low level, steel plate
It steadily falls on fixed roller-way, then steel plate is transported out of cold bed region by transmission roller channel starting, and it is 2 that cold bed 1, which divides, at this time.
In the present embodiment, merges detachment device and be suitable for various working, can be connected directly with the offline roller-way of special heavy plate, realized
It is offline in advance when special heavy plate and when slab, thin plate mixture manufacturing, special heavy plate are as cold as target temperature, and realize effective with thin plate
Separation (uses function two)；It can also be connected directly, be realized when thin specification steel plate is cooled to target temperature with thin gauge shear line
It is timely transported, cold bed space unnecessary waste when avoiding with thick steel plates while cooling (using function two)；Can also and it is thicker
Trimming line is connected directly, and cold bed is used as whole cold bed at this time (using function one).Merging detachment device can be applied individually to any
Above each operating condition can also be applied to two or more above load cases combinations simultaneously.It is typical to merge detachment device application
Operating condition is as shown in Figure 5.
Medium plate generally enters cold bed at 600~800 DEG C or so, can leave when temperature drops to 100~150 DEG C or less
Cold bed；The temperature that special heavy plate enters cold bed can reach 900 DEG C or more, when temperature drops to 600 DEG C or so, so that it may leave cold
Bed.
As shown in figure 5, cold bed is divided into cold bed front 52, cold bed by the first merging detachment device and the second merging detachment device
Middle part 55,58 3, cold bed rear portion part.Wherein, the first merging detachment device merges detachment device using conjunction above-mentioned with second
And detachment device, details are not described herein again for this structure.For special thick version, when steel plate runs to the first merging by cold-bed run-in table 51
When 53 top of detachment device, the first merging detachment device 53 is begun to decline, and steel plate is smoothly put on the roller-way below device,
Then steel plate is transported to the offline roller-way 54 of slab by roller-way again；For relatively thin cut deal, when steel plate runs to the second merging
When above detachment device, the second merging detachment device starts 56 declines, steel plate is smoothly put on the roller-way below device, so
Steel plate is transported to the first shear line 57 by fixed roller-way again afterwards, first merges detachment device in a high position at this time, serves as cold bed
With；For thicker cut deal, first, which merges detachment device and second, merges detachment device all in a high position, and cold bed is as one
Whole to use, steel plate is sent at the second shear line 510 through cold bed rear portion 48, cold bed runout table 49, steel plate after cooling
Reason.
By using detachment device is merged, following steel plate cooling strategy can be realized on a cold bed: for opposite
Relatively thin steel plate only needs the leading portion for covering cold bed that cooling can be completed；And to thicker steel plate, then need the multistage ability for covering cold bed
It can complete cooling；In the leading portion of cold bed, traveling rhythm of the steel plate of different-thickness on cold bed according to thin plate traveling rhythm into
Row cooling.Using such cooling strategy and equipment technology, can meet the needs of different slab steel plates are to Area of cooling bed, sufficiently improve
Cold bed utilization efficiency reduces equipment investment and equipment operating cost.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (5)
1. a kind of merging detachment device for Rolling Disc Cooling Bed, which is characterized in that the Rolling Disc Cooling Bed includes that several segments are cold
Bed section, setting merges detachment device between adjacent two cold beds section, the mergings detachment device include fixed roller-way, go up and down rolling disk and
Elevating mechanism for rising or falling the lifting rolling disk；
When the lifting rolling disk is in high-order, roll surface absolute altitude is consistent with roll surface absolute altitude on the rolling disk of cold bed on dance roller disk and is higher than
The upper roll surface absolute altitude of fixed roller-way, merging detachment device is served as a whole cold bed together with two sections of adjacent cold beds and is made at this time
With；When lifting rolling disk is in low level, roll surface absolute altitude is lower than the roll surface absolute altitude of fixed roller-way on dance roller disk, merges split at this time
Device serves as the use of cold bed blanking device.
2. a kind of merging detachment device for Rolling Disc Cooling Bed according to claim 1, which is characterized in that the lifting
Rolling disk includes several rolling disks and the rotating mechanism for making the rolling disk rotation.
3. a kind of merging detachment device for Rolling Disc Cooling Bed according to claim 2, which is characterized in that the rotation
Mechanism includes driving motor (131), connecting shaft (132) and an at least cross-brace frame (133), is spaced setting in the connecting shaft
Have several driving wheels (1321), several longitudinal bracing framves (1331), longitudinal branch are arranged at intervals on each cross-brace frame
Support includes gear-box (13311), and several rolling disks (13312) are alternately disposed at the gear-box two sides, the gear-box outside
It is provided with the driven wheel (13313) engaged with the driving wheel, is provided in gear-box on the rolling disk axis of each rolling disk
First sprocket wheel (13314) and the second sprocket wheel (13315), the second sprocket wheel are arranged close to gearbox wall, and the driven wheel is set to it
In on a rolling disk axis；The second sprocket wheel on rolling disk axis being set on tooth tumbler wall side is by chain and is set to tooth tumbler
The first sprocket wheel connection on rolling disk axis on the wall other side.
4. a kind of merging detachment device for Rolling Disc Cooling Bed according to claim 3, which is characterized in that the lifting
Mechanism includes lifting cylinder (134), crank connecting link (135) and at least one support column for being connected to cross-brace frame lower part
(136), the piston rod of the lifting cylinder is connect with one end of the crank connecting link, the other end of the crank connecting link and support
Column connection.
5. a kind of with the Rolling Disc Cooling Bed system for merging detachment device characterized by comprising
Several segments cold bed section, setting splits just like merging described in Claims 1 to 4 any one and fills between adjacent two cold beds section
It sets；
When the lifting rolling disk for merging detachment device is in high-order, adjacent two sections of cold beds are merged into one by the merging detachment device
Section cold bed；
When the lifting rolling disk for merging detachment device is in low level, the merging detachment device is as blanking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920416280.2U CN209680810U (en) | 2019-03-29 | 2019-03-29 | A kind of merging detachment device and cold bed system for Rolling Disc Cooling Bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920416280.2U CN209680810U (en) | 2019-03-29 | 2019-03-29 | A kind of merging detachment device and cold bed system for Rolling Disc Cooling Bed |
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| Publication Number | Publication Date |
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| CN209680810U true CN209680810U (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920416280.2U Withdrawn - After Issue CN209680810U (en) | 2019-03-29 | 2019-03-29 | A kind of merging detachment device and cold bed system for Rolling Disc Cooling Bed |
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| CN (1) | CN209680810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909309A (en) * | 2019-03-29 | 2019-06-21 | 中冶赛迪工程技术股份有限公司 | A kind of merging detachment device, cold bed system and control method for Rolling Disc Cooling Bed |
| CN113430348A (en) * | 2021-06-30 | 2021-09-24 | 南京钢铁股份有限公司 | Automatic feed divider of full-automatic cutting board production |
-
2019
- 2019-03-29 CN CN201920416280.2U patent/CN209680810U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909309A (en) * | 2019-03-29 | 2019-06-21 | 中冶赛迪工程技术股份有限公司 | A kind of merging detachment device, cold bed system and control method for Rolling Disc Cooling Bed |
| CN109909309B (en) * | 2019-03-29 | 2024-02-23 | 中冶赛迪工程技术股份有限公司 | Merging and splitting device for rolling disc type cooling bed, cooling bed system and control method |
| CN113430348A (en) * | 2021-06-30 | 2021-09-24 | 南京钢铁股份有限公司 | Automatic feed divider of full-automatic cutting board production |
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